var site = location.protocol + "//" + location.hostname ;

/* クッキー */

function class_cookielib(){

	this.getCookie = getCookie;

	this.setCookie = setCookie;

	this.removeCookie = removeCookie;

	

	var expireDate = new Date();

	expireDate.setFullYear(expireDate.getFullYear()+1);

	expireStr = "expires=" + expireDate.toUTCString();



	function getCookie(name){

		var gc=name+"=";

		var Cookie=document.cookie;

		if (Cookie.length>0) {

			var start=Cookie.indexOf(gc);

			if (start!=-1) {

				start+=gc.length;

				terminus=Cookie.indexOf(";",start);

				if (terminus==-1) terminus=Cookie.length;

				return unescape(Cookie.substring(start,terminus));

			}

		}

		return '';

	}

	function setCookie() {

		var key = arguments[0];

		var val = arguments[1];

		var path = (typeof(arguments[2]) != 'undefined' ? arguments[2] : '/');

		var exp = (typeof(arguments[3]) != 'undefined' ? arguments[3] : expireStr);

		var sc = key + "=" + escape(val) + "; path=" + path + "; " + exp;

		document.cookie = sc;

	}

	function removeCookie(key,path) {

		if(!path){

			path = '/';

		}

		var rc = key + "=; path=" + path + "; expires=Thu, 1 Jan 1970 00:00:00 UTC";

		document.cookie = rc;

	}

}

var cookieObj = new class_cookielib();



/* FONT SIZE */

var fsize_val = 1;

var fsize_css_size = new Array();

fsize_css_size[0] = site + '/css/font_small.css';

fsize_css_size[1] = '';

fsize_css_size[2] = site + '/css/font_big.css';

function setFontSize(){

	if(cookieObj.getCookie('fsize') != ''){

		fsize_val = 1 * cookieObj.getCookie('fsize');

	}

	if(fsize_css_size[fsize_val]){

		document.write('<link rel="stylesheet" type="text\/css" href="' + fsize_css_size[fsize_val] + '" \/>');

	}

}

function changeFontSize(num){

	cookieObj.setCookie('fsize',num,'/','');

	window.location.reload();

}

function outputFontSizeCtrl(){

	document.write('<ul id="font">');
    document.write('<li><img src="'+ site +'/img/font_size.gif" width="101" height="21" alt="文字サイズの変更" /></li>');
		if(fsize_val != 2){
		document.write('<li><a href="#" onmouseover="document.getElementById(\'ft_l\').src=\''+ site +'/img/font_big_ov.gif\';" onmouseout="document.getElementById(\'ft_l\').src=\''+ site +'/img/font_big.gif\';" onclick="changeFontSize(2);return false;"><img src="'+ site +'/img/font_big.gif" width="45" height="21" alt="大きく" id="ft_l"></a></li>');
		} else {
		document.write('<li><img src="'+ site +'/img/font_big_ov.gif" width="45" height="21" alt="大きく"></li>');
		}

		if(fsize_val != 0){
		document.write('<li><a href="#" onmouseover="document.getElementById(\'ft_s\').src=\''+ site +'/img/font_small_ov.gif\';" onmouseout="document.getElementById(\'ft_s\').src=\''+ site +'/img/font_small.gif\';" onclick="changeFontSize(0);return false;"><img src="'+ site +'/img/font_small.gif" width="45" height="21" alt="小さく" id="ft_s"></a></li>');
		} else {
		document.write('<li><img src="'+ site +'/img/font_small_ov.gif" width="45" height="21" alt="小さく"></li>');
		}

		if(fsize_val != 1){
		document.write('<li><a href="#" onmouseover="document.getElementById(\'ft_m\').src=\''+ site +'/img/font_normal_ov.gif\';" onmouseout="document.getElementById(\'ft_m\').src=\''+ site +'/img/font_normal.gif\';" onclick="changeFontSize(1);return false;"><img src="'+ site +'/img/font_normal.gif" width="46" height="21" alt="標準" id="ft_m"></a></li>');
		} else {
		document.write('<li><img src="'+ site +'/img/font_normal_ov.gif" width="46" height="21" alt="標準"></li>');
		}

	document.write('</ul>');
}